diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index e89e459cce18e80dd33f993f4ae9cf1527d7503d..6e80f45abbbf0334bd7f1c60a4c95b5fdcdc47a4 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -81,6 +81,8 @@
 	</error-page>
 
 	<session-config>
+		<tracking-mode>COOKIE</tracking-mode>
+
 		<!-- delete sessions after 6 hours -->
 		<session-timeout>360</session-timeout>
 	</session-config>